The Alexandrite/Diode High Light Transmission is a laser safety lens made of blue BG38 glass filter. It is cut and mounted into model 375. Made of TR-90 plastic, this frame features a head hugging temple design and excellent side protection. ANSI Z87.1 Approved.
OD>2+ from 632nm
OD>3+ from 650-690nm
OD>6+ from 690-1000nm
VLT = 55.5%
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